The Problem
You arrive at your resort in Antalya or a boutique hotel in Istanbul, but it looks nothing like the pictures. The room is dirty, the "sea view" is a brick wall, or worse, the receptionist tells you they are overbooked and tries to send you to a lower-quality hotel miles away.
How the Law Works in Turkey
Turkish Consumer Protection Law (Tüketicinin Korunması Hakkında Kanun) and Ministry of Tourism regulations strictly prohibit false advertising and "defective services" (Ayıplı Hizmet). If a hotel overbooks, they are legally obligated to find you equivalent or better accommodation at their own expense, plus cover your transfer costs. They cannot unilaterally downgrade your vacation.
What the Tourist Should Do
Document everything immediately. Take photos and videos of the room conditions. Do not accept a downgrade or sign any new agreements without demanding written compensation. Complain directly to the hotel manager. If they refuse to resolve the issue, you can contact the local Tourism Police (Turizm Polisi) or the local TURSAB (Association of Turkish Travel Agencies) office if you booked through an agency.
The Risks
The biggest risk is verbal agreements. If you accept a terrible room or a downgrade just because you are tired, and you do not get their promises in writing, you legally waive your right to a refund. If you simply walk out in anger and book another hotel yourself, you will likely lose the money you paid for both.
LetFix Solution
If your luxury vacation was ruined by a hotel's deceitful practices and they refuse to compensate you, you have the right to take them to the Consumer Arbitration Committee. A local lawyer can formally initiate this process and secure your refund.

